# Circle

A circle is a basic geometric shape that is useful. It can be defined as a shape where every point is an equal distance from its center.

## Properties

- radius
- circumference
- diameter
- area

## Formulas

Area of Circle | Formula

The area of a circle is given by π (pi) times the radius of the circle squared.

Circumference of Circle | Formula

The circumference of a circle is given by two multiplied by pi and the radius.

## Equations

Equation of Circle | Concept

The standard form of a circle is given by the radius and center point of the circle.